Home / 926,203.41-1,388,362.28-421,123.05

Finding the Fourth Proportional to 926,203.41, 1,388,362.28 and 421,123.05

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Solution

The fourth proportional to 926,203.41, 1,388,362.28 and 421,123.05 is: 631,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,203.41 : 1,388,362.28 = 421,123.05 : x
  2. Step 2: Convert to fraction form
    926,203.41/1,388,362.28 = 421,123.05/x
  3. Step 3: Cross multiply
    926,203.41x = 1,388,362.28 × 421,123.05
  4. Step 4: Simplify right side
    926,203.41x = 584,671,355,752.94
  5. Step 5: Solve for x
    x = 584,671,355,752.94/926,203.41
  6. Step 6: Final answer
    x = 631,255.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.